Taking creatine — whether it's the common monohydrate type or another form — doesn't seem to cause more side effects than a fake pill, even in kids, older adults, healthy people, or those with medical conditions.

Taking creatine doesn't seem to cause more stomach problems than a fake pill — the difference in upset stomachs between users and non-users is tiny and probably just due to chance.

Taking creatine is safe for kids, teens, and adults of all ages, and doesn’t cause more side effects than a sugar pill, according to studies that looked at people from young children to older adults.

Taking creatine every day for years — even up to 14 years — doesn’t seem to cause more side effects than a fake pill, no matter your age, health, or fitness level.

Taking creatine doesn’t seem to cause more stomach issues than a fake pill — about the same number of people get digestive problems whether they take creatine or not.

Taking creatine supplements might cause some unwanted side effects or might not even be made properly, so what’s in the bottle isn’t always what it claims to be.